1. O-1 points LarCalc10 14 8.028. Use a change of variables to find the volume of the solid region lying below the surface z = f(x, y) and above the plane region R. f(x, y) = ху 1 + x2y2 R: region bounded by the graphs of xy = 1, xy=4, x = 1, x 4 (Hint: Let x = u, y = v/u.) Need Help? Read It Talk to a Tutor